Just as breathtaking are the blue, white, and pink marble rock formations at the center, formed after 6000 years of erosion. Visitors can take a boat ride to the biggest, the Marble Cathedral or El Catedral de Marbol. 2. Quilotoa Volcano, Ecuador
Ecuador is already one of the least visited countries in South America, so you can expect almost no rush of tourists here. Although it is much smaller compared to its neighbors, it has enough natural beauty to draw visitors in.
The most beautiful is the Quilotoa Volcano, with its caldera at 3,914 meters or 12,841 feet high